CN101163525B - Method and system for varying stride in an elliptical exercise machine - Google Patents

Method and system for varying stride in an elliptical exercise machine Download PDF

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Publication number
CN101163525B
CN101163525B CN2006800121118A CN200680012111A CN101163525B CN 101163525 B CN101163525 B CN 101163525B CN 2006800121118 A CN2006800121118 A CN 2006800121118A CN 200680012111 A CN200680012111 A CN 200680012111A CN 101163525 B CN101163525 B CN 101163525B
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China
Prior art keywords
foot support
pivot axis
crank
fitness equipment
driver part
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CN2006800121118A
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Chinese (zh)
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CN101163525A (en
Inventor
W·T·达勒鲍特
N·J·查特顿
J·T·巴特勒
D·J·尼尔森
G·W·厄卡布莱克
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Ancon Clark Ltd
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Icon Health and Fitness Inc
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
    • A63B22/001—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by simultaneously exercising arms and legs, e.g. diagonally in anti-phase
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0015—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements
    • A63B22/0017—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with an adjustable movement path of the support elements the adjustment being controlled by movement of the user
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0664—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0664—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement
    • A63B2022/067—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing an elliptic movement with crank and handles being on opposite sides of the exercising apparatus with respect to the frontal body-plane of the user, e.g. the crank is behind and handles are in front of the user

Abstract

An exercise machine, and particularly a front or rear mount elliptical or elliptical-type machine (10), comprising: (a) a support structure (70, 326); (b) a drive component or crank (140, 160, 540, 640) pivotally coupled to the support structure (70, 326) and configured to rotate about a first pivot axis (152, 172); (c) a reciprocating foot support (14, 44. 414, 814, 844) configured to travel about a closed path (36) having a stride length upon rotation of the drive component (140, 160, 540, 640); (d) a coupling configuration (190, 990) configured to support the reciprocating foot support (14, 44, 414, 814, 844) about the drive component (140, 160, 540, 640) at a position radially offset from the first pivot axis (152, 172), the coupling configuration (190, 990) pivotally coupled to the drive component (140, 160, 540, 6400) about a second pivot axis (254); and (e) an adjustment mechanism configured to enable the coupling configuration (190, 990) to pivot about the second pivot axis (254) between at least two adjustment positions to vary the radial offset of the reciprocating foot support (14, 44, 414, 814, 844) with respect to the first pivot axis (152, 172).

Description

Be used to change the method and system that strides on the elliptical exercise machine
Technical field
Relate generally to body-building equipment of the present invention or fitness equipment.More particularly, the present invention relates to ellipse or elliptical-type exercise machine and, promptly adapt to different exercise programming and different users for one or more purposes are used to change and regulate the method and system that strides that is bearing in reciprocal foot support on the elliptical exercise machine.
Background of invention and correlation technique
Have be configured to around closed path through or advance with simulation use machine the individual in big strides, run, walk about and/or the fitness equipment that replaces reciprocal foot support of climbing exercise is known in the art, and be commonly referred to elliptical exercise machine or ellipse replaces training airplane.Generally speaking, ellipse or elliptical-type exercise machine comprise a pair of a pair of reciprocal foot support that is designed to admit and support user's pin.Each reciprocal foot support has and is used at least one end that is supported of rotatablely moving around pivotal point or pivot axis, another overhang bracket becomes to cause that reciprocal foot support is advanced or the process closed path, such as reciprocal ellipse or Long Circle path or other similar geometric profiles.Therefore, fitness equipment operation is so that during the near-end rotation, makes each reciprocal foot support advance or through closed path.Back and forth foot support is configured to each other 180 ° of out-phase to simulate the suitable and natural stepping movement that replaces.
The individual can use ellipse or elliptical-type exercise machine by his or her pin is put on the reciprocal foot support.The individual can activate fitness equipment causing reciprocal foot support their corresponding closed paths of repeatedly advancing in any time that requires length then, and it acts on produce that the individual realizes a series of effectively and strides and take exercise obtaining, and has the advantage of low impact.Ellipse or elliptical-type machine also can comprise and be used to increase the resistance of motion, and/or be used to change the mechanism or the system of the vertical height above sea level or the height of closed path.In addition, realize that the reciprocating motion of a series of foots that stride also can replenish by the reciprocating motion of arm, no matter whether auxiliary by fitness equipment by the mechanism or the system of appropriate structuring.
The path of common sealing can comprise having passes the wherein profile of the approximate horizontal of longitudinal axis.According to fitness equipment, closed path can have a lot of different sizes.Equally, be " steplength " about ellipse or elliptical-type exercise machine to the particular measurement of personal interests.Steplength is the tolerance of the distance of two solstics being separated along the longitudinal axis of closed path basically.Therefore, when activating fitness equipment, single stride can refer to along with reciprocal foot support, and therefore user's pin, along from advancing along first end points of closed path longitudinal axis to the also closed path of the remote point on longitudinal axis.The steplength that strides and produce that provides by fitness equipment (although be simulation and may be improved) single stride that realizes with individual's nature and/or improved footwork is suitable.
Obviously, striding between the Different Individual, especially steplength have sizable variation.Therefore really, bigger than the stature probably people of people that stature is little has much smaller steplength, and can be in that be configured to be fit to can be more comfortable on the fitness equipment of his or her specific dimensions and steplength therefore.Equally, fitness equipment has strides that to be equivalent to striding of user be very important.The a lot of people that are intended for being with or without identical steplength when fitness equipment can produce challenge institute's time spent.In addition, the vertical height that changes frequency, resistance sensation and/or the closed path stride along closed path in exercise programming may be satisfactory, and wherein the some or all of users of requirement in these variable element make that his or his strides and are suitable for reprogramming and realize more natural motion.
Except these shortcomings, and except these effort of recent acquisition, ellipse or elliptical-type exercise machine lack simple and effective way and come for the steplength of the individuality that adapts to different sizes and the purpose of more natural stepping movement is provided and changes their steplength.The a lot of existing related exercise machines that the present technique field exists comprises intricate technical scheme.But many in them are difficult to operation best, and manufacturing cost is high and the assembling trouble, because many in them comprise that several parts or link are with final realization variable stride length.
To such an extent as to be their designs very complicated that it is difficult in and uses this system or mechanism on the different machines and do not need machine is carried out major change for another latent defect of the existing related exercise machines of many mechanisms that comprise the steplength that is used to change machine and system, if fully if possible.
Summary of the invention
According to the problem and the defective of prior art inherence, the present invention selectively regulates changing the ability that strides that replaces reciprocal foot support of supporting by providing to have, and therefore changes striding or the fitness equipment of steplength and manage to overcome these shortcomings of user.
As extensively embody at this and as described in, characteristics of the present invention are a kind of fitness equipments, comprising: (a) supporting structure; (b) driver part is connected in supporting structure pivotly and is configured to and rotates around first pivot axis; (c) reciprocal foot support is configured to advance around the closed path with steplength when driver part rotates; (d) draw bail is configured to support reciprocal foot support in the position from the first pivot axis radial offset with respect to driver part, and draw bail is connected in driver part pivotly around second pivot axis; And (e) governor motion, be configured to make draw bail between at least two adjusting positions, to pivot to change the radial offset of reciprocal foot support around second pivot axis with respect to first pivot axis.
In certain embodiments, back and forth foot support also is bearing in from the position of the longitudinal axis biasing of driver part.In other embodiments, back and forth foot support also is bearing in along the position of the longitudinal axis of driver part.
In addition, in certain embodiments, back and forth foot support comprises rotation, and this rotation can suitably move reciprocal foot support around driver part when it rotates.
Driver part can comprise crank, wheel or be configured to any other structure concentric or that eccentric manner is rotated around pivotal point.
In an exemplary embodiment, draw bail comprises the connector with the near-end that is connected to driver part pivotally, and connector is configured to around second pivot axis rotation that is provided with from the biasing of first pivot axis; And pillar, extending and be configured to be connected to reciprocal foot support from the far-end of connector, pillar is from the first pivot axis radial offset and the rotation of reciprocal foot support is provided.
In an exemplary embodiment, governor motion comprises a plurality of adjustment holes that are formed on the driver part, and each adjustment hole is configured to change the steplength of reciprocal foot support; Pin is contained in the pillar and is configured to and the time cooperates with adjustment hole to change the steplength of reciprocal foot support releasedly and selectively around the rotation of second pivot axis at connector; And bias unit, the interior pin of pillar is configured to setover.
Characteristics of the present invention also have a kind of fitness equipment, comprising: (a) supporting structure; (b) driver part is connected in supporting structure pivotly and is configured to and rotates around first pivot axis; (c) reciprocal foot support is configured to advance around the closed path with steplength when driver part rotates; And (d) rotatable counterpart, be bearing in the reciprocal foot support and be configured to reciprocal foot support is connected to driver part in the position from the first pivot axis radial offset, rotatable counterpart is configured between at least two adjusting positions to regulate to change reciprocal foot support with respect to first pivot axis and changes steplength with respect to the radial offset of first pivot axis.
Characteristics of the present invention also have a kind of fitness equipment, comprising: (a) supporting structure; (b) crank has the near-end that is connected to supporting structure pivotly and is configured to rotate around first pivot axis; (c) pillar is connected to crank pivotly in the position from the first pivot axis radial offset, and support construction becomes to limit when crank rotates and center on a radial path advances; (d) reciprocal foot support has near-end that is connected to pillar and the far-end that is supported, and back and forth foot support is configured to around the pillar rotation and advances to have the closed path of steplength when crank rotates; And (e) governor motion, be configured to optionally between at least two adjusting positions, to be provided with change pillar and back and forth foot support with respect to the radial offset location of first pivot axis to change steplength.
On another kind of wide significance again, characteristics of the present invention also have a kind of fitness equipment, comprising: (a) be used for the device with respect to a surface bearing driver part, described driver part is configured to around the rotation of first pivot axis; (b) be used for reciprocal foot support is connected in the position from the first pivot axis radial offset device of driver part, back and forth the closed path of the steplength that limits through relative distance between the reciprocal foot support and first pivot axis of foot support; And (c) between at least two adjusting positions, pivot the device be used to connect to change reciprocal foot support changes steplength with respect to the offset position of first pivot axis device.
In more specific description, characteristics of the present invention are a kind of elliptical-type exercise machine, comprising: (a) supporting structure; (b) crank has the near-end that is connected to supporting structure pivotly and is configured to rotate around first pivot axis, and crank comprises formation a plurality of adjustment holes thereon, and each limits an adjusting position from the first pivot axis radial offset and each; (c) connector has the near-end of the far-end that is connected to crank pivotly, and connector is configured to around second pivot axis rotation that is provided with from the biasing of first pivot axis; (d) pillar extends and is configured to provide rotation from the first pivot axis radial offset from the far-end of connector, and support construction becomes to limit and pass through radial path when crank rotate; (e) reciprocal foot support has near-end that is connected in pillar and the far-end that is supported, back and forth the foot support closed path of the steplength that limited by radial path that is configured to advance; And (f) pin, be contained in the pillar and be configured to when connector rotate, optionally cooperate the steplength that changes reciprocal foot support with the radial offset location of change rotation with adjustment hole.
At last, characteristics of the present invention also have a kind of method that changes the fitness equipment steplength, comprising: the draw bail that is configured to reciprocal foot support is connected in the position from the first pivot axis radial offset crank (a) is provided; (b) move fitness equipment so that reciprocal foot support limits the radial path around first pivot axis when crank rotates, and make reciprocal foot support through having the closed path of steplength; (c) draw bail is pivoted to regulate the radial offset of reciprocal foot support with respect to first pivot axis between at least two adjusting positions, purpose is the steplength that changes reciprocal foot support.
Brief description of drawings
In conjunction with the accompanying drawings, the present invention can display from following specification and appended claims more fully.Should understand these accompanying drawings and only describe exemplary embodiment of the present invention, so they should not think the restriction to its scope.Parts of the present invention can be readily appreciated that,, widely various not isostructures can be provided with and be designed to as roughly describing among this figure and illustrating.But the present invention can and explain other characteristic and details by the description of use accompanying drawing, wherein:
Fig. 1 shows the back installation of one exemplary embodiment according to the present invention or the stereogram of back mechanism type fitness equipment;
Fig. 2 is the overall stereogram of back installation component shown in Figure 1, and wherein the back installation system comprises example system that strides or the mechanism that is used to regulate reciprocal foot support;
Fig. 3 shows the draw bail of fitness equipment shown in Figure 1 and the detail perspective view of governor motion;
Fig. 4 shows the stereogram according to the fitness equipment of another exemplary embodiment of the present invention, and wherein the supporting structure of fitness equipment and consequent footprint are compact, therefore foot pad is positioned near the end of reciprocal foot support;
Fig. 5 shows the stereo rearview of the fitness equipment of Fig. 4;
Fig. 6 shows the detailed side view of the fitness equipment of Fig. 4, show the draw bail and the regulating system of one exemplary embodiment according to the present invention, wherein regulating system comprises offset pins or the lug that is contained in the draw bail, and they can be optionally cooperate with in a plurality of adjustment holes of forming one on the crank type driver part;
Fig. 7 shows the detail perspective view of the rear side of the draw bail of the fitness equipment shown in Fig. 4 and regulating system or mechanism;
Fig. 8 shows the draw bail of one exemplary embodiment according to the present invention and the detailed side view of governor motion;
Fig. 9 shows the relative biasing with respect to the rotation of the pivotal point of driver part of the description of the closed path that the rotation of driver part produces and reciprocal foot support;
Figure 10-A shows the stereogram of an end of reciprocal foot support, this supporting member comprises the rotation lug that is bearing in its end, wherein rotate lobe configurations and become to be convenient to reciprocal foot support to be connected to driver part, and optionally cooperate and change the steplength of reciprocal foot support with in a plurality of respective aperture, slit or other structures that form one on the driver part;
Figure 10-B shows the side view of reciprocal foot support shown in Figure 10-A;
Figure 11 shows the detail elevation of the driver part of crank form, be included in diverse location and be formed on the interior a plurality of adjustment holes of crank, wherein several adjustment holes are configured to be convenient to reciprocal foot support and are attached to crank, and also are convenient to reciprocal foot support and select the location to change steplength with respect to the rotation of the pivotal point of driver part;
Figure 12 shows the detail elevation of the driver part of crank form, comprise the slit that forms around the longitudinal axis of crank, wherein slit be configured to be convenient to reciprocal foot support optionally be attached to crank and also be convenient to reciprocal foot support with respect to the selectivity location of the rotation of the pivotal point of driver part to change steplength;
Figure 13 shows the flow chart of method that according to the present invention one exemplary embodiment is used to change the steplength of fitness equipment; And
Figure 14 shows according to the part of the preceding mechanical-type exercise machine of an exemplary embodiment and general perspective view, therefore show the present invention change can be striden install before the ability of regulating is included in or preceding mechanical-type exercise machine in.
The detailed description of example part embodiment
The following detailed description of exemplary embodiment of the present is with reference to accompanying drawing, and accompanying drawing forms its part and wherein shows in the explanation mode puts into practice exemplary embodiment of the present invention.Although fully described these exemplary embodiments in detail, be to be understood that and also can realize other embodiment and can carry out various changes and not deviate from the spirit and scope of the present invention the present invention so that those skilled in the art can put into practice the present invention.Therefore, following more detailed description as the embodiments of the invention of Fig. 1 to 14 expression does not mean the scope of the present invention of requirement for restriction, but only represents illustration purpose rather than restrictedly describe feature of the present invention and the optimal mode of characteristics, elaboration the present invention operation and be enough to make those skilled in the art can put into practice the present invention.Thereby scope of the present invention is only limited by appended claims.
Can understand following detailed description the in detail and exemplary embodiment of the present invention best with reference to accompanying drawing, element wherein of the present invention and feature are numbered all the time.
The invention describes the method and system of the steplength that is used to change fitness equipment, its unit architecture becomes around closed path to advance, such as ellipse or elliptical-type exercise machine.Generally speaking, the invention describes simple and effective and efficient manner changes the steplength of fitness equipment to adapt to the different steplength that strides and form of different user, and the proper motion that strides that improves the type that requires, no matter be to walk, run, climb or its any combination.
During beginning, although a lot of principle described here, fitness equipment, system, device, assembly, mechanism and method are main discusses according to the elliptical exercise machine that is used in these types with back installation driver part and crank of using rocking arm, but those skilled in the art are to be understood that these principles, fitness equipment, system, device, assembly, mechanism and method are suitable for (not undue experimentation) and are used to have the elliptical exercise machine of anterior installation constitution or the fitness equipment of other similar type, wherein closed path produces by go forward to install driver part such as mmi machine tool type fitness equipment, or by alternate manner, and be equally applicable to have on the fitness equipment of those types of static or fixed handle or handgrip.
The invention provides and be better than many several remarkable advantages that comprise the existing related exercise machines of the system that changes steplength in the closed path or mechanism.At first, regulating reciprocal foot support provides the steplength that can be included in easily in several fitness equipments designs variable simple and otherwise effective technique scheme with respect to the governor motion of the relative position of the pivotal point of driver part or system.Second, be configured to around being arranged in one the governor motion that central shaft on driver part or the crank or pivotal point pivot and cooperate a plurality of adjustment holes that form on driver part or the crank by providing, improved convenience and validity that steplength is regulated, can be because do not have from the parts of crank release.In other words, all parts are included in the mechanism.The 3rd, the supporting structure such as base or framework supporting member can be configured to comprise much smaller footprint, therefore changes the foot pad position along reciprocal foot support.The 4th, regulating system or mechanism can be included in preceding installation (preceding mechanical type) or back installation (back mechanical type) fitness equipment, as generally known in the art.The 5th, there is difference to stride or comfort level that the different individuals of steplength can be identical is used identical machine, mean and can realize that identical simulating naturally strides Different Individual.
Consider the detail specifications of following elaboration, can become obvious with reference to each above-mentioned advantage of accompanying drawing.These advantages also do not mean that the restriction of any way.In fact, putting into practice when of the present invention, a technical staff in present technique field will appreciate that can realize other advantage, rather than at those of this concrete citation.
With reference to Fig. 1, what illustrate is to install after one exemplary embodiment according to the present invention or the stereogram of back mechanical type elliptical exercise machine.Specifically, Fig. 1 shows elliptical exercise machine 10, comprises the first reciprocal foot support 14, and this supporting member 14 has first end 18, second end 22 and corresponding foot pad 30 disposed thereon and between first end 18 and second end 22.What replenish mutually with the first reciprocal foot support 14 is the second reciprocal foot support 44, and this supporting member 44 has first end 48, second end 52 and corresponding foot pad 60 disposed thereon and between first end 48 and second end 52.The first and second reciprocal foot support 14 and 44 are laterally spaced each other, make in corresponding foot pad 30 and 60 each can cosily admit user's respective foot respectively and are used to promote the user's of face forward the performance of stepping movement.Should be noted that at this foot pad 30 and 60 is separately positioned on reciprocal foot support 14 and 44, and the size of each foot pad 30 and 60 and structure are arranged to admit user's foot.Shall also be noted that or back and forth foot support 14 and 44 can be configured to not have foot pad, the user is stood directly on the upper surface of reciprocal foot support 14 and 44.In this embodiment, anti-slip material is added on the surface of reciprocal foot support.
Back and forth foot support 14 and 44, and other parts of fitness equipment is by supporting structure 70 supportings.Supporting structure 70 is configured to provide structure and translation supporting to the parts of fitness equipment 10, and also has a common boundary with ground.Supporting structure 70 roughly limits the size of the footprint of fitness equipment 10.Supporting structure 70 can be any suitable frame-like structure or other structure.In addition, supporting structure 70 can comprise integral structure, or all is linked together or a plurality of parts in groups.In essence, supporting structure 70 can comprise any suitable design and restricted never in any form at this.In the embodiment shown, supporting structure 70 comprises I ellbeam base structure, and this structure has as the longitudinal supporting beam 74 of main supporting member and is positioned at the first and second side direction transverse beams 78 and 82 of also extending from its every end in opposite direction around longitudinal supporting beam 74 every ends.Rubber or plastic cap 98 are placed on the end of transverse beam 78 and 82.Upwardly extending from longitudinal supporting beam 74 is vertical or vertical supporting member 86, and supporting member 86 is used for the supporting of auxiliary first and second rocking arms 102 and 122.Vertical support 86 can comprise or support various known items or assembly, such as user interface, fixing handlebar stem, cup keeper, foreign material or book support etc.In the embodiment shown, the first and second fixed handle bars 90 and 94 are bearing in the top of vertical support 86.
In the first and second reciprocal foot support 14 and 44 second end 22 and 52 each is supported with any way generally known in the art, so that fitness equipment 10, especially back and forth foot support 14 and 44 reciprocating motion can move.In an exemplary embodiment, the first and second reciprocal foot support 14 and 44 first and second ends 22 and 52 connect with first and second rocking arms respectively pivotly, and are as shown in Figure 1 all.In a further exemplary embodiment, first and second ends 22 and 52 can comprise the roller that slides along track respectively.
As shown in Figure 1, the first and second reciprocal foot support 14 and 44 have their second end 22 and 52 that connects with first and second rocking arms 102 and 122 pivotally respectively.Use any known coupling arrangement that first rocking arm 102 is connected with vertical support 86 pivotly around pivot axis 106.Any known coupling arrangement of same use connects second rocking arm 122 pivotly around pivot axis 126 with vertical support 86.First and second rocking arms 102 and 122 are configured on the relative left side and the right side of vertical support 86 laterally spaced.First and second rocking arms 102 and 122 are the elongated connectors with upper and lower end.Two upper end connect pivotly with vertical support 86, and are configured to pivot around pivotal point 106 and 126 respectively, and two lower ends respectively connect with the first and second reciprocal foot support 14 and 44 simultaneously, and are configured to pivot around pivotal point 110 and 130 respectively.Rocking arm 102 and 122 is respectively applied for second end 22 and the 52 downward reciprocating motions along arcuate closed path that guide the first and second reciprocal foot support 14 and 44 when fitness equipment 10 operations.Advancing around this arcuate closed path provides the substantial horizontal of the motion that strides of effective analog subscriber component backward forward.Because back and forth foot support 14 and 44 is in they draw bails of end separately, the closed path that foot pad 30 and 60 is advanced is actually substantially elliptical, makes most of path comprise horizontal component, although vertical component is also arranged.
Fitness equipment 10 also comprises first and second drive components, is depicted as with any known devices that is used to support around supporting structure 70 rotatably mounted first and second cranks and crank arm 140 and 160.Considering that the present invention also can be included in can be in concentric or disloyalty mode in the driver part of any kind of pivotal point rotation.But for the purpose of discussing, driver part will be described as crank.Crank 140 and 160 preferably relative to each other is fixed relationship and is configured to identical repetition circular path around the respective pivot (see figure 2) of advancing.First and second cranks 140 and 160 also are configured to each other 180 ° of out-phase so that alternate reciprocating motion alternately the striding naturally with analog subscriber of the first and second reciprocal foot support 14 and 44.Each crank preferably comprises fixing or uncontrollable size or length.In addition, each crank comprises that preferably wide relatively structure is to adapt to the various of reciprocal foot support and can regulate coupled position.In the embodiment shown, the length-width ratio of crank is about 2: 1.
Fitness equipment 10 of the present invention also comprises the device that is used for respectively reciprocal foot support being connected to driver part.The device that is used to connect tends in the position from the pivotal point radial offset of driver part each reciprocal foot support is connected to the corresponding driving parts, each reciprocal foot support can be passed through or advance around closed path, and wherein closed path comprises steplength.Steplength to small part is indicated by the relative distance between the pivotal point of reciprocal foot support and crank.The first and second reciprocal foot support 14 and 44 first end 18 and 48 rotatably are supported by the far-end or the free end of suitable draw bail around corresponding crank 140 and 160.Because like this supporting, make reciprocal foot support 14 and 44 can be when fitness equipment 10 operations along closed path backward and move forward.
The device that is used for reciprocal foot support is connected to respective drive component can comprise a plurality of different draw bails, shown in the accompanying drawing and described wherein several at this.Generally speaking, as shown in Figure 1, an exemplary means that is used to connect comprises that draw bail 190, the first and second pillars 194 and 206 with first and second pillars 194 and 206 are connected to crank 140 and 160 and from crank 140 and 160 outside vertical extensions respectively.In certain embodiments, pillar 194 and 206 can directly be connected to crank 140 and 160.But in embodiment as shown in Figure 1, draw bail also comprises first and second connectors 220 and 240 that rotatably are connected to crank 140 and 160, and its B-C post 194 and 206 extends and is connected on it from connector.Connector 220 and 240 is set to the part of following regulating system discussed in detail or assembly or mechanism.Regulating system or mechanism are manual adjustment system.But, also consider with respect to the pivotal point of crank and regulate reciprocal foot support 14 and 44, can be as described below electronic or finish automatically.
First and second pillars 194 and 206 each also comprise rotation endless tube 198 and 210 respectively, be configured to rotatably admit and connect first end 18 and 48 of the first and second reciprocal foot support 14 and 4.Rotatable endless tube 198 and 210 makes the first and second reciprocal foot support 14 and 44 be connected in pillar 194 and can rotate around rotation in 206 o'clock, and wherein rotation is from the pivotal point biasing of crank 140 and 160.Therefore, when fitness equipment 10 operation and first and second cranks 140 and 160 during along their corresponding circular path rotations, reciprocal foot support 14 that pillar 194 and 206 provides and 44 offset positions with respect to the rotation of the pivotal point of crank 14 and 44, and second end 22 and 52 of the suitable supporting of reciprocal foot support 14 and 44, cause that reciprocal foot support 14 and 44 is through the elliptical closed paths.
Fig. 1 also shows the housing 260 of each internal part that is configured to surround fitness equipment 10, and each internal part such as crank assemblies, any actuating and transmission part etc. are as generally known in the art.
Can be put into by pin on the corresponding foot pad 30 and 60 on corresponding reciprocal foot support 14 and 44 and move fitness equipment 10 user.Crank 140 and 160 position of rotation and reciprocal foot support 14 and 44 unimportant around the formation position of reciprocal foot pad are because fitness equipment can start these parts in any position.In order to carry out body building and to make reciprocal foot support 14 and 44 through closed paths, the user begins action at a quick pace, this is used for generation power on reciprocal foot support 14 and 44 so that they move along direction forward or backward according to their initial start position.In case finish single stride, each reciprocal foot support changes direction to finish rightabout striding.In fact, when a reciprocal foot support travels forward, another reciprocal foot support make capable be applied to from relative reciprocal foot support first and second cranks 140 on each reciprocal foot support and 160 the relation of being fixedly connected, from tend to respectively to each reciprocal foot support 14 and 22 exert pressure or the rocking arm 102 of pulling force and 122 and the effect of the combination of the power that produces from the pin that applies the user of power in reciprocal foot support 14 and 18 under move backward.For example, because fitness equipment 10 in the position shown in the figure 1, mainly prevent the gravitational mass of the user on first pad 30 of the first reciprocal foot support 14, be that gravity causes that first crank 140 is rotated down, therefore cause reciprocal foot support 14 downwards and travel forward (the rotation of crank 140 first 1/4th) and downwards and motion backward (second 1/4th of the rotation of crank 140).Therefore the weight transfer that main user's on the first reciprocal foot support 14 weight produces causes that to first crank 140 first crank 140 is around its pivotal point 110 clockwise directions (from the right side of fitness equipment 10) rotation.On the contrary, advance by the reciprocal foot support 44 of a half second of its rotation upwards and backward and upwards and move forward when crank 160, second crank 160 works in a similar manner.The stepping movement that the user carries out can be according to realizing that a series of exercises desired frequency that strides repeats.The alternate reciprocating motion of these two reciprocal foot support provides the simulation of the more natural stepping movement that the user may bear.Really, the reciprocating motion that replaces makes the user can realize a series of striding, with a people conventional or very identical when improving footwork.
With reference to Fig. 1 and 2, the present invention also comprises in order to change the steplength that fitness equipment 10 operation realizes therebetween and is used to change the first and second reciprocal foot support with respect to the device of the above-mentioned radial offset location of the pivotal point of driver part or as feature.The device that is used to change can comprise a plurality of assemblies, structure and/or mechanism, and each is designed to optionally regulate the radial offset location of reciprocal foot support with respect to the pivotal point of the respective drive component that connects with reciprocal foot support.Preferably, several adjusting positions are available, although need at least two so that at least two kinds of different steplengths to be provided.
Fig. 2 shows the first and second reciprocal foot support 14 at the reduced graph that is attached to respectively when being configured to around first and second cranks 140 of first pivot axis 152 and 172 rotations and 160 far-end, produces the closed path 36 of each reciprocal foot support 14 and 44 thus.Fig. 2 also shows the exemplary draw bail 190 of available exemplary adjustments mechanism operation.As shown in the figure, draw bail 190 is that with a similar part above-mentioned and shown in Figure 1 it comprises from rotatable connector 220 and the 240 first and second rotatable pillars 194 and 206 that extend, and respectively is configured to rotatably connect with the first and second reciprocal foot support 14 and 44 around rotation respectively.Each rotation illustrates with pillar 194 and 206 concentric.
The governor motion that is used to regulate the first and second reciprocal foot support 14 and 44 steplength is identical probably.In the embodiment shown in Fig. 1 and 2, and with reference to first reciprocal foot support 14 and its draw bail and the governor motion, governor motion comprises and holds and be bearing in the lug in the pillar 194 or sell 270 (only an end illustrates with adjustment hole 156-a and cooperates), pillar 194 is rotatably mounted by connector 220, wherein lug or sell 270 be configured to optionally and releasedly be formed on first crank 14 on a plurality of adjustment hole 156-a, 156-b or any one among the 156-c cooperate.Pin 270 is slidably received within the crank 140 and inserts another adjustment hole discharging from an adjustment hole.In case insert the adjustment hole of selection, pin is used for the relevant position that connects setting and reciprocal foot support 14 temporarily fixing about crank 140.
Pin 270 can be connected in the pillar 194 slidably with any known devices (sees Fig. 8 of an exemplary embodiment).In embodiment illustrated in fig. 2, pin 270 is connected in or otherwise is formed with the handle portion 286 that can be caught by the user so that sell 270 and discharge from current adjustment hole.In case discharge, pillar 194 can relocate the another location by connector 220 is cooperated up to pin 270 and different adjustment hole around its pivotal point 234 rotations.The rotation of connector 220 and sell 270 and insert another adjustment holes and cause that subsequently the radial offset location of reciprocal foot support 14 changes with respect to first pivot axis, so change the steplength of fitness equipment 10.For example, as shown in the figure, pin 270 inserts adjustment hole 156-a, and it provides available radial offset farthest.But, in order to change steplength, the user is pull handle part 286 only, therefore from adjustment hole 156-a release pin 270, swinging strut 194 so that sell 270 with all the other available adjustment hole 156-b and 156-c in one aim at, and then release handle part 286 so that sell 270 and insert or otherwise cooperate with the adjustment hole of selecting.Because with respect to first pivot axis, 152 differences, change the radial offset that reciprocal foot support 14 produces about crank 140 around each radial position of each adjustment hole of crank 140.The described change how radial offset by reciprocal foot support below will be discussed more fully influences steplength.
The second reciprocal foot support 44 comprises similar draw bail and just described governor motion, have the pin (not shown) that is slidably received within the pillar 206 and be configured to when make connector 240 around its pivotal point 254 rotations with reorientate pillar 206 and make pin and desired adjustment hole to punctual optionally with a plurality of adjustment holes in one cooperate, be depicted as and be formed on crank 160 rise knothole 176-a, 176-b and 176-c.Adjustment hole is used to limit several available adjustment positions.Should be noted that at this adjustment hole that is formed on the crank needs not be through hole.In addition, mean and considered any amount of adjustment hole at this, they also are like this with respect to the radial position of first pivot axis.Equally, shown in the figure and do not mean that the restriction of any way at these embodiment of this discussion.
With reference to Fig. 3, show detail perspective view and the above-mentioned exemplary coupling mechanism and the governor motion of second crank of the exemplary fitness equipment of Fig. 1.Specifically, Fig. 3 shows connector 240 and rotates to position away from crank 160 around its pivotal point 254, makes the pin (not shown) not cooperate with any one of adjustment hole 176.Fig. 3 also shows the pillar 206 that extends from the far-end 248 of connector 240, does not have attached reciprocal foot support so that rotation endless tube 198 to be shown.Back and forth the foot support (not shown) comprises the rotation 202 when being connected in pillar 206.As can be seen, rotation be configured to when the pin (not shown) hold or be bearing in any one aligning of adjustment hole 176 and when cooperating pillar 206 from the pivotal point radial offset of crank 160, as wanting.
Crank 160 comprises a plurality of adjustment holes, promptly forms thereon adjustment hole 176-a, 176-b and 176-c.Adjustment hole is each positioned at the difference radial offset location can regulate the relative offset position of reciprocal foot support with respect to first pivot axis when being attached to pillar 206.Adjustment hole 176 can be also along the longitudinal axis location of crank, or from the longitudinal axis of crank some length of setovering.In this embodiment, form adjustment hole along curve, make adjustment hole 176-a be positioned to first pivot axis 172 farthest radial offset location and to the longitudinal axis offset position farthest of crank 160.The longitudinal axis of crank 160 (or refer to driver part at this) can be referenced as along crank 160 lengthways advances, and passes or intersects to divide crank 160 symmetrically equally, as generally known in the art with first pivot axis.In this structure, owing to make connector 240 be centered around pivotal point 254 rotations that its near-end 244 forms, can be only by being operatively connected part 240 to the position that pin can cooperate with selected adjustment hole, being contained in pin in the pillar 206 just can be suitably and optionally aim at in the adjustment hole 176 any one.In other words, the central axis of pin is equivalent to the relative distance of the central axis of each adjustment hole to second pivot axis 254 to the relative distance of second pivot axis 254.Although connector 240 is described circular path as shown in the figure, it also can be configured to describe eccentric path, therefore eccentric form and the position that provides adjustment hole to center on crank 160.In addition, according to the draw bail that adopts and the type of adjusting part, adjustment hole 176 can be around the conventional linear axis orientation such as longitudinal axis.
Fig. 3 also shows the sign of the steplength that is used for the formation of assisted user identification particular adjustments.For example, fitness equipment can comprise 18 inches steplength if Fig. 3 shows that governor motion is arranged to cooperate with adjustment hole 176-a.Equally, if governor motion is arranged to cooperate with adjustment hole 176-b then steplength can be 14 inches, and if be arranged to cooperate then be 12 inches with adjustment hole 176-c.Obviously, these stride length distances can be according to the corresponding radial offset of the radial offset location of adjustment hole and rotation and are different.
With reference to Figure 4 and 5, what illustrate is stereogram according to the fitness equipment of another exemplary embodiment of the present invention, therefore wherein the footprint of the supporting structure of fitness equipment and formation is included in the structure of relative compact, makes the foot pad can be near back and forth first end or the near-end of foot support.Especially, to show fitness equipment 10-b be the many same parts that comprise the fitness equipment of Fig. 1 to Figure 4 and 5.Equally, many these parts are no longer specifically discussed at this, but are incorporated by reference herein in the place of using.In this embodiment, supporting structure 70 comprises the design of relative compact, and the size of fitness equipment 10-b is significantly reduced.Because compact design, back and forth foot support 14 and 44 comprises foot pad 30 and 60, they are configured to lay respectively between first end 18 and 48 and second end 22 and 52, and more be located near first end or near-end 18 and 48 of reciprocal foot support 14 and 44, this first end or near-end 18 and 48 are defined as the most close and are connected in pillar 194 and 206, and pillar is used for association and reciprocal foot support 14 and 44 is connected to driver part or crank 140 and 160 respectively.
Fitness equipment 10-b also comprises the device that is used for reciprocal foot support 14 and 44 is connected in crank 140 and 160, and this device can comprise several dissimilar connections structures.In addition, fitness equipment 10-b comprises the device that is used to change its steplength, and this device can comprise any amount of regulating system or mechanism.
The Compact Design of the fitness equipment 10-b of Figure 4 and 5 makes it can occupy less space, if be used for family this is set can be very remarkable.In addition, even regulate or the ability that changes span makes Compact Design also economical and useful concerning those long users that stride, because steplength can be regulated to be fit to these users, short user also is fit to stride simultaneously.
With reference to Fig. 6, show and be used for reciprocal foot support 14 is connected to the draw bail of crank, and the detail drawing of the adjusting part regulated with respect to first pivot axis 152 of the rotation 202 that is configured to be convenient to reciprocal foot support 14.As can be seen, these are similar to above those that discuss about the fitness equipment shown in Fig. 1-3 10, and such as the use of pillar 194, its explanation is incorporated herein using part.The draw bail of fitness equipment 10-b, especially connector 220 also comprise the directing pin 262 that remains on wherein.Directing pin 262 be configured to slidably be formed on crank 140 on respective slots 264 cooperate with help connector 220 between adjusting position before and after around its pivotal point 234 rotations.Directing pin 220 also is used as the limited part of the permission travel distance of restriction connector 220.Therefore, on the one hand, the end of slit 264 can be used as block piece and can be configured to stop being further rotated of connector 220.Slit can be configured such that also every end stops that connector 220 is in pin 270 suitable rotations of aiming at the position that cooperates with adjustment hole (such as adjustment hole 156-b).
Fig. 7 shows the detailed rear view of crank 140 and draw bail and the adjusting part of Fig. 6.As shown in the figure, connector 220 rotatably is connected in crank 140 at its far-end 148, and rotation makes pin 270 be engaged in the adjustment hole 156-a.In this position, therefore an end of directing pin 262 adjacent slots 264 prevents that connector 220 is further rotated away from any of near-end of crank 140.The structure of slit 264 and directing pin 262 can rotate connector 220 towards the near-end of crank 140, and purpose is that pin 270 is aimed at adjustment hole 156-b with the adjusting steplength, and especially shortens steplength.
Fig. 7 also shows the maintenance assembly that is used for rotatably connector 220 being connected in crank 140.In the embodiment shown, keep assembly to comprise and be connected in the interior axle bush 232 of crank 140 reliably with any known fixed device.
With reference to Fig. 8, governor motion can comprise having slidably or removable lug or sell 270 pillar 194, lug or sell 270 be used for selectively and releasedly be formed on drive part or crank 140 on one or more adjustment hole 156-a and 156-b cooperate.As shown in the figure, pillar 194 comprises the axle bush or the bearing 322 of the end that is configured to rotatably to be connected in reciprocal foot support 14.The form that bearing 330 can be designed to admit the end of reciprocal foot support 124 and be convenient to the rotatable endless tube of its rotation is arranged in the supporting structure 326, or it can comprise the outer surface of pillar, is configured to admit the pipe or the endless tube of the end that is formed on reciprocal foot support 14.Under any circumstance, the present invention has considered to be used for reciprocal foot support 14 is rotatably connected or otherwise is associated with any known devices or the method for crank 140.
Pillar 194 also comprises the pin 270 that is bearing in the pillar 194.Fulcrum post 270 slidably.Pin 270 comprises from pillar 194 and extends first end 274 of suitable distance to cooperate with selected adjustment hole 156.Relative second end 278 of pin 270 is fixed in handle 286.Handle structure becomes by the user to spur with from first end 274 of adjustment hole 156 withdrawal pins 270 and be convenient to the relocating to cooperate different adjustment holes, such as adjustment hole 156-b of pin 270.Pin 270 comprises and is configured to the ledge 280 that cooperates with similar ledge 282 on the supporting structure that is formed on pillar 194, prevents that therefore shotpin 270 removes from pillar 194.But the spaced apart enough distances of ledge are so that sell 270 and can extend as wanting and shrink.Pillar 194 also can comprise bias unit, such as spring 330, is configured to pin 270 is biased to such as its full extended position when inserting adjustment hole.Bias unit is used for anti-shotpin 270 and breaks away from inadvertently from selected adjustment hole.
With reference to Fig. 9, show all according to the rotation of the driver part of an exemplary embodiment and the reciprocal diagrammatic sketch of the closed path that produces with respect to the relative biasing of the pivotal point of driver part of the rotation of foot support.As can be seen, driver part is depicted as crank 140 and is configured to advance around circular path.In other embodiments, driver part can be advanced along eccentric path.Because back and forth an end any one in a plurality of positions of foot support 14 rotatably is connected in crank 140, back and forth foot support 14 comprises the rotation 202 from pivotal point 152 radial offset of crank 140 of generation.Because back and forth the opposite end of foot support 14 can be rotated to support on pivotal point 110 to move along any direction, back and forth foot support 14 is through oval or elliptical closed path, shown in closed path 36.
Crank 140 comprises a plurality of adjustment holes, is depicted as the adjustment hole 156-a and the 156-b that form as mentioned above thereon.These adjustment holes are positioned at the radial offset location of leaving pivotal point 152.According to desired steplength, back and forth foot support 14 optionally is attached on any of these adjustment holes.
When being attached to adjustment hole 156-a, back and forth foot support comprises that this radial offset is designated as 1 from the rotation 202-a of pivotal point 152 radial offset.Because make crank 140 around pivotal point 152 rotations, the rotation 202-a at radial offset 1 place advances around radial path, this directly illustrates below crank 140, and is designated as the first radial path 204-a.This first radial path 204-a is included in the radial offset of pivotal point 152, and this radial offset comprises apart from r 1
With the rotation while of crank 140, back and forth foot support 14 is advanced around closed path, is depicted as closed path 36-a.The closed path 1 that the radial path 1 that rotation 202-a advances is advanced corresponding to reciprocal foot support 14.Closed path 36-a comprises that distance is L 1Steplength, from around closed path 36-a location and with the longitudinal axis of closed path 36-a intersect two farthest corresponding point measure.Distance L 1Be commonly referred to steplength and be according in the adjustable length of the hope of this instruction.
When being attached to adjustment hole 156-b, back and forth foot support comprises that this radial offset is designated as 2 from the rotation 202-b of pivotal point 152 radial offset.Because make crank 140 around pivotal point 152 rotations, the rotation 202-b at radial offset 2 places advances around radial path, this directly illustrates below crank 140, and is designated as the second radial path 204-b.This second radial path 204-b is included in the radial offset of pivotal point 152, and this radial offset comprises apart from r 2
With the rotation while of crank 140, back and forth foot support 14 is advanced around closed path, is depicted as closed path 36-b.The closed path 2 that the radial path 2 that rotation 202-b advances is advanced corresponding to reciprocal foot support 14.Closed path 36-b comprises that distance is L 2Steplength, from around closed path 36-b location and and the longitudinal axis of closed path 36-b intersect two farthest corresponding point measure.
Label A 1-A 4Rotation 202 and reciprocal foot support 14 were around the relative position of their respective paths when representative was arranged on the operation of radial offset 1 fitness equipment at rotation 202.Equally, label B 1-B 4Rotation 202 and reciprocal foot support 14 were around the relative position of their respective paths when representative was arranged on the operation of radial offset 2 fitness equipments at rotation 202.
As can be seen, rotation 202 is arranged on the steplength L that radial offset 1 place forms 1Be arranged on the steplength L that radial offset 2 places form than rotation 2Short.Difference between these distances or the steplength can be predetermined and depend on the position of rotation with respect to each available radial offset of the pivotal point of crank 140.But, use governor motion described here, only just can regulate and change steplength easily with respect to the radial offset of the pivotal point of crank by the rotation that relocates or regulate reciprocal foot support.
To those skilled in the art clearly the second reciprocal foot support (not shown) work with the same manner, even 180 ° of out-phase and specifically do not set forth at this.
With reference to Figure 10 A and 10-B, what illustrate is coupling mechanism according to another exemplary embodiment.In this particular example, back and forth foot support 414 at one end comprises and being configured to by reciprocal foot support 414 supportings and the counterpart 440 that cooperates with one or more corresponding receiver members releasedly, receiver member is such as a plurality of holes or the slit (seeing Figure 11 and 12) that are formed on driver part or the crank 540, and this receiver member or slit are used to be defined at least two adjusting positions about the reciprocal foot support in driver part 540 location.Counterpart 440 is configured to fixing releasedly or be connected in crank with any appropriate device known in the art.On the one hand, counterpart 440 comprises and is designed to cooperate releasedly the receiver member that is formed on the driver part and the rotatable counterpart of rotation therein.In other words, back and forth foot support comprises that also supporting construction becomes to make reciprocal foot support can center on the rotary part of crank rotation.
On the other hand, driver part itself comprises necessary rotary part.For example, be formed on the driver part and the receiver member that comprises at least two adjusting positions can be configured with the rotary part of being convenient to reciprocal foot support rotation, and especially be contained in wherein counterpart around crank at each adjusting position.
Consider that also about this embodiment, fitness equipment will comprise the abundant and competent draw bail that is configured to support fully reciprocal foot support and their controllabilitys when using fitness equipment.The type that can be used for the draw bail of these purposes is no longer specifically set forth at this, but is known in the present technique field.
Figure 11 shows the driver part of crank 540 forms, and wherein crank 540 comprises a plurality of receiver members 544 that are configured to provide a plurality of radial offset of rotation with respect to pivotal point 552, and this radial offset comprises r respectively 1, r 2And r 3Receiver member 544 can be included in the adjustment hole that is used to accept lug or pin of this discussion, or they can comprise the receiver member of other type that is configured to cooperate releasedly rotatable counterpart, shown in Figure 10-A and 10-B and receiver member discussed above.Receiver member 544 can be along the longitudinal axis setting of crank and from its biasing.
Figure 12 shows another exemplary embodiment of driver part, also is the form of crank 640, and wherein crank 640 comprises formation slit 642 thereon, and this slit also is defined at least two adjusting positions of locating reciprocal foot support about crank.Slit 642 be formed on crank 640 pivotal point 652 radial offset location and be configured to cooperate with pin or rotatable counterpart slidably and rotatably and releasedly, such as in this discussion.Although not shown, slit 642 can be on the inclined-plane, form along curved surface or along the longitudinal axis of crank 640.
Should be noted that at this and can use the above-mentioned pillar that is with or without link structure.In other words, consider that above-mentioned pillar can directly be connected on driver part or the crank and the connector that do not need to connect.By be provided for respect to first or at least two adjusting positions of crank pivot axis between the governor motion of adjustable fixing or device also can regulate pillar in this structure.For example, pillar can directly be connected to any one adjustment hole that is formed on shown in Figure 11 on the driver part, or is formed on the slit on the driver part shown in Figure 12.In this structure, pillar is designed to work to be similar to above-mentioned mode, but is not connected to hinge connector.Consider that equally, also pillar can use enough firm and competent coupling mechanism known in the art suitably to be fixed in driver part.In this no longer concrete type of setting forth adoptable draw bail, because focus of the present invention mainly remain on pillar with respect to first or the controllability of crank pivot point changing the offset position of pillar, and therefore change the rotation of pillar and supporting reciprocal foot support thereon position with respect to first pivot axis.
Figure 13 shows the flow chart that changes the illustrative methods of steplength on fitness equipment.The method comprising the steps of 704: provide to be configured to the draw bail that reciprocal foot support connected with crank in the radial offset location to first pivot axis.This draw bail is similar to above-mentioned those.This method also comprises step 708: the operation fitness equipment so that back and forth foot support when crank rotate, limit the radial path that centers on first pivot axis, and reciprocal foot support is advanced have the closed path of steplength.As additional step, the method comprising the steps of 712: draw bail is pivoted between at least two adjusting positions to regulate the radial offset of reciprocal foot support with respect to first pivot axis, in order to change the steplength of reciprocal foot support.This method step comprises and utilizing manually or electronic adjustment system or mechanism finish this adjusting.Equally, the comfort level that difference strides or the different individuals of steplength can be identical is used uniform machinery.This method comprises that also the radial offset of regulating reciprocal foot support is to adapt to the different user with different steplengths.
As point out like that, install before the invention described above method and system also can be included in or preceding mechanical-type exercise machine in, wherein driver part and/or crank assemblies are bearing near the front portion of fitness equipment, as generally known in the art.With reference to Figure 14, what illustrate is part and general perspective view according to the preceding mechanical-type exercise machine of an exemplary embodiment.As shown in the figure, fitness equipment comprises the first and second reciprocal foot support 814 and 844, has foot pad disposed thereon 830 and 860 respectively.First end 818 and 848 is connected in crank 940 and 960 respectively, and they are configured to rotate around pivotal point 952 and 972 respectively, forms closed path 36 thus in each reciprocal foot support.Draw bail 990 is used for adjustable ground the first and second reciprocal foot support 814 and 844 is connected to crank 940 and 960 respectively.In addition, governor motion is set can optionally regulate the radial offset of the rotation of reciprocal foot support 814 and 844 respectively.In these notions each be similar to discussed above those.They are configured to work in a similar manner, and the main distinction is that they move on preceding installation or preceding mechanical-type exercise machine, as arrow is represented forward.
Aforementioned detail specifications has been described the present invention with reference to concrete exemplary embodiment.But, be to be understood that and can carry out various changes and change and do not deviate from the scope of the invention that appended claims is set forth.It is only unrestricted for explanation that detail specifications and accompanying drawing should be thought, and all these changes or change (if any) all fall within the scope of the present invention of this description and elaboration.
More particularly, although described illustrative exemplary embodiment of the present invention at this, but the present invention is not limited to these embodiment, but comprises change, omission, combination (for example combination of the each side of each embodiment), suitable any and all embodiment that become and/or change that have those skilled in the art and understand according to aforementioned detail specifications.The example that restriction in claims is carried out wide in range explanation according to the language that uses in claims and is not limited in the aforementioned detail specifications or describes when applying for, these instance interpretation are non-removing property.For example, in the present invention, term " preferably " is non-removing property, and it often means " preferably, but be not limited to ".Any step of quoting from any method or process claims can be any the order order carrying out and be not limited to propose in claims.Only the device that adopts under following all situations is present in situation in the qualification of concrete right requirement adds function or step adds functional specification: a) clearly narration " be used for ... device " or " be used for ... step "; B) clearly narrate function corresponding; And c) clearly narrative structure, material or the effect of supporting this structure.Thereby scope of the present invention only determined by the legal equivalents of appended claims and they, rather than more than the specification and the example that provide.

Claims (27)

1. fitness equipment comprises:
Supporting structure;
Driver part is connected to described supporting structure and is configured to and rotates around first pivot axis;
Back and forth foot support is configured to advance around the closed path with steplength when described driver part rotates;
Draw bail is configured to supporting described reciprocal foot support from the position of the described first pivot axis radial offset, and described draw bail has first end that is connected in described driver part pivotally and second end that rotates around second pivot axis; And
Governor motion, be configured to make described second end of described draw bail to be attached to one of them of at least two adjusting positions on the described driver part selectively, so that change the described radial offset of described reciprocal foot support, thereby can change the steplength of described reciprocal foot support with respect to described first pivot axis;
Described draw bail comprises:
Connector has the near-end that is connected in described driver part pivotally, and described connector is configured to rotate around described second pivot axis that is provided with from described first pivot axis biasing; And
Pillar extends and is configured to be connected in described reciprocal foot support from the far-end of described connector, described pillar from the described first pivot axis radial offset so that the rotation of described reciprocal foot support with respect to described driver part to be provided;
Described governor motion comprises:
A plurality of adjustment holes are formed on the described driver part, and each described adjustment hole is configured to change the described steplength of described reciprocal foot support;
Pin is contained in the described pillar and is configured to and releasedly and selectively cooperates with a adjustment hole in the described adjustment hole during around the rotation of described second pivot axis at described connector, to change the described steplength of described reciprocal foot support.
2. fitness equipment as claimed in claim 1 is characterized in that described driver part comprises crank.
3. fitness equipment as claimed in claim 1 is characterized in that, described driver part is configured to rotate in the mode of selecting from concentric rotation and eccentric rotation.
4. fitness equipment as claimed in claim 1 is characterized in that, described reciprocal foot support comprises and is configured to be connected in the near-end of described driver part and the far-end that is supported by described coupling mechanism.
5. fitness equipment as claimed in claim 1 is characterized in that, described governor motion also comprises:
Bias unit, the described pin in the described pillar that is configured to setover.
6. fitness equipment as claimed in claim 1 is characterized in that, described reciprocal foot support also is supported with respect to described driver part in the position of setovering from the longitudinal axis of described driver part.
7. fitness equipment as claimed in claim 1 is characterized in that, described at least two adjusting positions are along the curved path location with respect to described first pivot axis.
8. fitness equipment comprises:
Supporting structure;
Driver part is connected in described supporting structure and is configured to and rotates around first pivot axis;
Back and forth foot support is configured to advance around the closed path with steplength when described driver part rotates;
Counterpart, be connected in the described reciprocal foot support, and be configured to releasedly described reciprocal foot support is connected to described driver part in the position from the described first pivot axis radial offset, described counterpart is configured to regulate between at least two adjusting positions to change the described radial offset of described reciprocal foot support with respect to described first pivot axis, so that change the described steplength of described reciprocal foot support with respect to described first pivot axis;
Be formed on the slit on the described driver part, described slit is configured to accept and selectively cooperate with described counterpart slidably; And
Be used for optionally described counterpart being fixed and relocated device at described slit.
9. fitness equipment as claimed in claim 8 is characterized in that, also comprises at least two receiver members that are formed on the described driver part and are configured to accept and connect described counterpart.
10. fitness equipment as claimed in claim 9 is characterized in that, described counterpart forms the rotation of described reciprocal foot support with respect to described driver part.
11. fitness equipment as claimed in claim 8 is characterized in that, described counterpart forms the rotation of described reciprocal foot support with respect to described driver part.
12. fitness equipment as claimed in claim 8 is characterized in that, described reciprocal foot support also is connected in from the position of the longitudinal axis biasing of described driver part.
13. fitness equipment as claimed in claim 8 is characterized in that, described counterpart is rotatable counterpart.
14. fitness equipment as claimed in claim 8 is characterized in that, driver part also comprises and is used to be convenient to the device of described counterpart in described adjusting position rotation.
15. a fitness equipment comprises:
Supporting structure;
Crank has the near-end that is connected to described supporting structure pivotly and is configured to rotate around first pivot axis;
Pillar, at its first end, be connected in described crank pivotly in the position from the described first pivot axis radial offset, described support construction becomes to limit when described crank rotation and advances around radial path;
Back and forth foot support has (i) and is connected in the near-end of described pillar and the far-end that (ii) is supported, described reciprocal foot support be configured to around described pillar rotation and when the described crank rotation through having the closed path of steplength; And
Governor motion, being configured to (i) described pillar rotates selectively, (ii) described first end of described pillar is attached to one of them of at least two adjusting positions selectively, so that change described pillar and described reciprocal foot support with respect to the described radial offset location of described first pivot axis and change described steplength;
Described governor motion comprises: be formed on the described crank and limit a plurality of adjustment holes of described adjusting position; And pin, be contained in the described pillar and be configured to when connector rotate releasedly and selectively cooperate, thereby can regulate described radial offset location also so change the described steplength of described reciprocal foot support with a adjustment hole in described a plurality of adjustment holes.
16. fitness equipment as claimed in claim 15 It is characterized in that, described pillar is connected in described crank pivotly by connector, described connector has the near-end of the far-end that is connected in described crank pivotly, and described connector is configured to around second pivot axis rotation that is provided with from described first pivot axis biasing to regulate the described radial offset location of described pillar and described reciprocal foot support.
17. fitness equipment as claimed in claim 15 is characterized in that, described support construction becomes directly to be connected to described crank.
18. fitness equipment as claimed in claim 15 is characterized in that, described governor motion also comprises:
Bias unit is configured to described pin is biased in the described a plurality of adjustment holes that are formed in the described crank.
19. fitness equipment as claimed in claim 18 is characterized in that, described adjustment hole is along collinearity path orientation.
20. fitness equipment as claimed in claim 18 is characterized in that, described adjustment hole is along the crooked route orientation.
21. fitness equipment as claimed in claim 15, it is characterized in that, described crank comprises formation slit thereon, and wherein said support construction becomes and to cooperate with described slit releasedly and slidably, and described slit is accepted described pillar slidably and limited described at least two adjusting positions.
22. fitness equipment as claimed in claim 15 is characterized in that, described reciprocal foot support connects releasedly with described pillar.
23. fitness equipment as claimed in claim 15 is characterized in that, described supporting structure, described crank, described pillar and described governor motion respectively are configured to define preceding mechanical type elliptical exercise machine.
24. fitness equipment as claimed in claim 15 is characterized in that, described supporting structure, described crank, described pillar and described governor motion respectively are configured to define back mechanical type elliptical exercise machine.
25. fitness equipment as claimed in claim 15, it is characterized in that, described crank comprise be substantially equal to two-to-one length-width ratio with adapt to along from diagonal, radially with crooked route the path of any one selection with respect to a plurality of described adjusting position of described crank location.
26. a fitness equipment comprises:
Be used to support the device of driver part, described driver part is configured to around the rotation of first pivot axis;
Be used for reciprocal foot support is connected in the position from the described first pivot axis radial offset device of described driver part, described reciprocal foot support is through closed path, this closed path has the steplength that is limited by the relative distance between described reciprocal foot support and described first pivot axis, described coupling arrangement comprises pillar, described pillar from the described first pivot axis radial offset so that the rotation of described reciprocal foot support with respect to described driver part to be provided;
The device of the described device that is used to connect pivots, so that the described device that is used to connect pivots between at least two adjusting positions selectively, so that change the described offset position of described reciprocal foot support, thereby change described steplength with respect to described first pivot axis; And
Governor motion, described governor motion comprises: be formed on the described driver part and limit a plurality of adjustment holes of described adjusting position; And pin, be contained in the described pillar and be configured to when connector rotate releasedly and selectively cooperate, thereby can regulate described radial offset location also so change the described steplength of described reciprocal foot support with a adjustment hole in described a plurality of adjustment holes.
27. an elliptical exercise machine comprises:
Supporting structure;
Crank, has the near-end that is connected to described supporting structure pivotly and is configured to rotate around first pivot axis, described crank comprises formation a plurality of adjustment holes thereon, and each adjustment hole is from the described first pivot axis radial offset and respectively limit an adjusting position;
Connector, has the near-end that is connected to the far-end of described crank at the second pivot axis place pivotly, wherein said second pivot axis and the biasing of described first pivot axis, and the far-end of described connector is configured to around described second pivot axis rotation, and the described near-end of described connector pivots on described crank simultaneously;
Pillar extends and is configured to provide rotation from described first pivot axis and the described second pivot axis radial offset, described support construction to become when the described crank rotation from the far-end of described connector and advances around radial path;
Back and forth foot support has near-end that is connected in described pillar and the far-end that is connected in described supporting structure, described reciprocal foot support be configured to the to advance closed path of the steplength that limited by described radial path; And
Pin, be contained in the described pillar and be configured to and when described second pivot axis rotates, in described adjustment hole, cooperate with described crank selectively at the described far-end of described connector, so that change the described radial offset location of described rotation, thereby change the described steplength of described reciprocal foot support.
CN2006800121118A 2005-04-14 2006-04-11 Method and system for varying stride in an elliptical exercise machine Active CN101163525B (en)

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US7604573B2 (en) 2009-10-20
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US20060234838A1 (en) 2006-10-19
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WO2006113282A2 (en) 2006-10-26
CN101163525A (en) 2008-04-16

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